John  harrison



No. 6|8,0'88. Patented llan. 24, '1899.

J. HARRSUN.

PLOW.

(Application filed June 16, 189B.)

No Model.)

un Q! f umn., WASHINGTON n c llwrrn STATES PATENT rrrcn.

JOHN HARRISON, OF EAST POINT, KENTUCKY.

PLOW.

SPECIFICATION forming part of Letters Patent No. 618,088, dated'January24, 1899.

Application iled .Tune 16,1898. Serial N0. 683,603. (No model.)

To a/ZZ whom it may concern.-

Be it known that l, JOHN HARRISON, a citizen of the United States,residing at Eastv Point, in the county of Johnson and State of Kentucky,have invented a new and useful Plow, of which the following is aspecification.

The invention relates to improvements in plows.

The object of the present invention is to improve the construction ofdouble plows and to provide a simple, strong, and inexpensive one inwhich the shorter beam may be readily shifted from one side to the otherof the longer beam to reverse the plow.

A further object of the invention is to provide a simple and efcientlocking device for securing the shifting beam at either side of the plowand to enable the said shifting beam to be readily removed when it isdesired to change the plow from a double plow to a single plow.

The invention consists in the construction and novel combination andarrangement of parts hereinafter fully described, illustrated in theaccompanying drawings, and pointed out in the claims hereto appended.

In the drawings, Figure 1 is a perspective view of a plow constructed inaccordance with thisinvention. Fig. 2 is atranverse sectional view, theshifting beam being arranged at one side in full lines and at the otherside in dotted lines. Fig. 3 is adetail perspective view of the couplingfor connecting the front end of the shifting plow-beam to the main orlined beam. Fig. 4 is a detail perspective view of the locking-lever andits ends or bolts. Fig. 5 is a detail perspective view of the guide forthe locking pins or bolts.

Like numerals of reference designate corresponding parts in all thegures of the drawings.

1 designates a :main or fixed beam, and 2 a shifting or reversible beamwhich is adapted to swing downward and laterally of the main beam tocarry it from one side ofthe plow to the other side thereof forreversing the plow to enable the advance or front shovel to be arrangedat either side of the same. The rear ends of both beams are curveddownward and extended forward slightly to form arms, which are adaptedto receive suitable shovels or similar cultivating devices.

The front end of the fixed or main beam is bent into the form of a hook3 to form a clevis, and it is provided at the shank ofthe hook or cleviswith a rearwardly-extending perforated'ear 4, located beneath the frontportion of the beam and spaced therefrom to receive the front portion ofa coupling 5. The front portion of the coupling 5 is horizontal and isperforated for the reception of a vertical bolt 6, which passes throughthe ear 4 and aperforation of the beam 1. The rear portion of thecoupling is bifurcated, and the sides formed by the bifurcation arevertical and re ceive between them the front end of the shifting beam 2,which is pivoted to the rear portion of the coupling by a horizontalbolt 7. By this construction of coupling the reversible beam 2 isadapted to swing downward and moves laterally of the plow to carry i-tfrom one side to the other.

The rear portion of the beam 2 is connected with the rear portion of themain beam 1 by an oscillating transversely-disposed brace 8, provided atthe ends with eyes 9 and 10, which are linked into slots or openings 11and 12 of the beams 1 and 2, whereby the ends of the brace are hinged tothe beams. The eyes 9 and 10 are formed by substantially U -shapedstraps 13 and 14, detachably secured to the body of the brace by bolts,which permit the brace to be readily removed, and by removing the bolt 7at the front end of the shifting beam 2 the latter can be taken olf whenit is desired to arrange the parts for forming a single plow.

The outer end of the oscillating brace 8 is provided withoppositely-disposed stops 15, projecting from the upper and lower facesof the brace when the latter is arranged in a horizontal position andpreferably formed by a plate oppositely tapered, as shown. The ends ofthe plate are arranged to support the shifting beam and are arranged atthe inner face of the same.

The shifting beam is locked at either side of the main beam by means ofa pair of re ciprocating pins or bolts 1G, located at oppo site sides olthe main plow-beam and arranged to engage perforations 17 of a plate 18of the oscillating brace. The plate 18 of the oscillating brace issimilar in form to the outer plate, which forms the stops 15, and isswung IOO from one side of the main beam to the other, being contiguousto the same. rlhe reciprocating pins or bolts which engage the innerplate of the oscillating brace are guided in openings or eyes 19 of asupport 20, which is mounted upon the main beam between the oscillatingbrace and a pair of inclined braces 21, that support the handle-bars 22.The support 2O consists of a longitudinal body or shank and a clip 23,arranged at and depending from the front end of the body or shank andembracing the main beam directly in rear of the opening or slot 1l. Theclip is provided with a clip-plate, and the locking pins or bolts, whichare located at each side of the main plow-beam, are reciprocated by anoperating-lever 24, located between the handlebars and having its lowerend forked or bifurcated to receive the shank or body of the support 20.The forked or bifurcated portion of the lever is fulcrumed near thelower end, and the portions beyond the fulcrum or pivot 25 are pivotedto the rear ends of the locking pins or bolts. The support is providedat its rear end with oppositely-disposed stops 26, which limit theforward swing of the upper portion of the operating-lever by beingarranged in rear of the lower portion in position to be engaged by thesame, and they prevent the locking pins or bolts from being withdrawnfrom the guide eyes or openings of the support.

lVhen it is desired to change the shifting beam from one side of themain beam to the other, the operating-lever is swung forward and thehandle-bars lifted, which causes the shifting beam to swing downward andlaterally of the plow, which is lowered after the oscillating brace hasmoved past the center. The bolts or pins are moved forward intoengagement with the plate of the shifting beam when the operatingleveris released by a curved or bowed spring 28, mounted on the mainplow-beam and engaging the lower portion of the operating -lever, and apair of springs may be employed, if desired, and they can be mounted inany other suitable manner.

The handle-bars, which are arranged in the usual manner, incline upwardand rearward, being secured at their lower ends to opposite sides of themain plow-beam, and they are supported by the braces 2l, which areprovided at their upper ends with perforations 29 for the reception ofthe bolts 30 and to enable the plow-beam l to be adjusted relative tothe handle-bars to cause the plow to run deep or shallow. Thehandle-bars are connected near their upper or rear ends by a transversebar, and the said upper or rear ends are shaped into handles, as shown.

The invention has the following advantages: The double plow, which issimple, inexpensive, strong, and durable, is adapted to be readilyreversed to bring-the front shovel at either side of it, and theshifting beam may be `readily removed when it is desired to form asingle plow. The reversible or shifting beam is firmly supported in bothof its positions, and the locking mechanism is easily operated torelease and engage the oscillating brace.

Changes in the form, proportion, and minor details of construction maybe resorted to without departing from the spirit or sacrilicing any ofthe advantages of this invention.

l. A reversible plow comprising a main or iixed beam, a reversible orshifting beam connected at its front end with the mainbeam by a couplingadapted to permit it to swing vertically and horizontally to carrybeneath the main or xed beam, and a brace connecting the beams andhinged to the same and adapted to swing laterally of the plow,substantially as and for the purpose described.

2. A plow comprising a main or fixed beam, a reversible or shifting beamconnected at its front end to the main beam and diverging therefrom, anoscillating brace connecting the beams and hinged at its ends to thesame, whereby the shifting beam is adapted to swing downward andlaterally of the plow to change it from one side to the other of thesame, and means for locking the shifting beam at the sides of the mainbeam, substantially as described.

8. A plow comprising a main beam, a coupling arranged at the front ofthe main beam and provided with pivots arranged at right angles to eachother, one of the pivots connecting the coupling with the main beam, ashifting beam connected with the other pivot and adapted to swingdownward beneath the main beam from one side of the plow to the other,and means for locking it in either position, substantially as described.

4. A plow comprising a main beam, a shifting beam movably connected atits front end to the main beam, an oscillating brace hinged at its endsto the bearnsand disposed transversely of the plow, stops located at theends of the transverse brace and projecting above and below the same,and a locking device for engaging the stops at the inner end of thebrace, substantially as described.

5. A plow comprising a main beam, a shifting beam arranged to swingbeneath the main beam from one side of the plow to the other, atransverse brace connecting the beams and hinged to the same, stopsprojecting from the upper and lower faces of the transverse brace andprovided with perforations, a pair of locking bolts or pins located atopposite sides of the main beam and arranged to engage the perforationsof the stops, and a forked operating-lever connected with the pins orbolts and adapted to reciprocate the saine, substantiallyas described.

6. A plow comprising a main beam, ashifting beam adapted to swingbeneath the plow from one side to the other, a transverse connectionhinged to the beams and provided with perforated stops projecting fromits top and bottom, a support mounted upon the IIO IZO

In testimony that I claim the foregoing as main beam and provided with aolip for emmy oWn I have hereto affixed my signature in bracing thesame, said clip having perforations at opposite sides, bolts guided inthe the presence of t-Wo Witnesses. perforations and arranged to engagethe stops, JOHN HARRISON. a forked lever fnlcrnmed on the support, andmeans for limiting the movement of the bolts, substantially asdescribed.

Witnesses:

G. F. MCPHADIN, NETTIE RICE.

